Home / 20,293.79-30,440.69-5,502.71

Finding the Fourth Proportional to 20,293.79, 30,440.69 and 5,502.71

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Solution

The fourth proportional to 20,293.79, 30,440.69 and 5,502.71 is: 8,254.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.79 : 30,440.69 = 5,502.71 : x
  2. Step 2: Convert to fraction form
    20,293.79/30,440.69 = 5,502.71/x
  3. Step 3: Cross multiply
    20,293.79x = 30,440.69 × 5,502.71
  4. Step 4: Simplify right side
    20,293.79x = 167,506,289.27
  5. Step 5: Solve for x
    x = 167,506,289.27/20,293.79
  6. Step 6: Final answer
    x = 8,254.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.